a scientist is studying a population of feral cats in his city. he notes that the per capita growth rate (r) of this population is 1. what does this mean if he is evaluating the population size on a yearly basis? please choose the correct answer from the following choices, and then select the submit answer button. answer choices that the population of feral cats triples in size each year that the population of feral cats remains the same size from year to year that the population of feral cats decreases in size by 10 percent every year that the population of feral cats doubles in size each year